Hunt Institute for Botanical Documentation
A Research Division of Carnegie Mellon University

Hunt Institute Archives Text Discovery Platform

Search a large and growing portion of our online collections, including handwritten documents.
PROTOTYPE

This prototype uses state-of-the-art artificial intelligence, including a vision-language model (VLM) capable of reading handwritten documents as well as typed and printed text, to create searchable transcriptions of digitized materials in the Hunt Institute Archives. This makes it possible to search the textual contents of individual pages, including material that may not be described in the archival catalog.

Use Keyword search for specific words, names, dates, scientific names, or phrases. Try Semantic search (experimental) to describe a topic, question, or kind of material when you do not know the exact wording used in the documents.

About the AI-generated transcriptions

The transcriptions are generated automatically from page images and may contain errors, especially with difficult handwriting, unusual names, multiple languages, image-quality problems, or complex layouts. They are intended primarily as a discovery aid rather than authoritative transcriptions.

Each result provides the generated transcription and links to the original digitized material and associated archival description so that readings can be checked against the source. The transcription workflow uses AI models run locally by the Hunt Institute.

About Keyword and Semantic search

Keyword search is the default and matches the wording in the transcriptions. Results contain all your terms. Use quotes for an exact phrase. Substring matching is supported, so aceae can find plant-family names ending in -aceae.

Semantic search (experimental) is useful when you know what kind of material you are looking for but do not know the words used in the documents. It ranks transcribed passages by similarity of meaning, so relevant results may not contain the exact words in your query.

Semantic queries can be broad research topics, descriptions of activities or relationships, or natural-language questions. For example:

plant collecting and fieldwork in South America medicinal, culinary, or other traditional uses of plants chromosomes and plant classification early herbals and botanical illustrations botanical institutions exchanging plants, seeds, and specimens microscopy and photomicrography in botanical research How did botanists and gardeners introduce plants from one region to another? grafting, budding, and propagation of tropical fruit crops

Semantic search is not a chatbot: a question is used as a search query, and the system returns archival passages that appear conceptually related to it rather than generating an answer or summary. Short descriptions and ordinary research questions generally work better than lists of disconnected keywords. Quotation marks have no special meaning in Semantic mode. Cross-language matching may work in some cases, but it should not be treated as translation.

Keyword and Semantic search are complementary. Keyword search lets you require particular wording; Semantic search can surface differently worded passages about the same subject. Depending on the research question, trying both can reveal different useful material.

Open a result: use the prominent page-and-transcription link to see the metadata, PDF, and full transcription. Keyword-search terms are highlighted in the transcription.

Archives Collections Database (ArchivesSpace): the Collection, Item/Folder, and Digital Object links open the corresponding archival records. Collection-level dates describe the collection as a whole, not necessarily the specific item or page.

If a PDF does not load: on the detail page, use the Digital Object link, click “Go to file” in ArchivesSpace, and navigate to the page number shown here.

Current limitations
  • Automated transcriptions can contain missing or incorrect text or unintended repetition. Difficult handwriting, image quality, unusual layouts, and multiple languages can reduce accuracy. Always consult the original page image when an exact reading matters.
  • Semantic search remains experimental. Its rankings are an additional discovery aid, not a complete or definitive set of relevant results, and highly ranked pages can sometimes be only broadly related.
  • This is an active prototype. Search coverage, transcriptions, functionality, and the interface may continue to change as additional archival material is processed and the system is improved.

← Back to results

Page 31 · DO #4926 · 231_Rogers_Bx9FF8_r

Collection
David James Rogers (1918–2007) papers
Item/Folder
Manihot - Correspondence; Publication, 1972–1973
Digital Object
DO #4926, page 31
Collection-level dates
1948–1977
Open PDF at page 31 ↗

Page transcription

was found, a survey and appraisal were made of the range of morphological variation present. The adventitious or trivial features of the plants such as those caused by insect damage, cultivation practices, light and shade conditions, etc., could then be determined, as well as the characteristics that were of genetic origin and distinctive of the cultivar. A plant that best corresponded to the typical condition of the cultivar was selected for the herbarium specimen.

The herbarium specimens for all collections used in this study consist of the following plant material: a longitudinal section of the root, a representative section of the stem, at least one mature vegetative leaf, a portion of the vegetative apex, and where available, portions of the inflorescence. Accompanying the specimen is a habit photograph against a backboard marked in metric dimensions and a full set of field notes, standardized, to insure consistent data gathering. Color variations were measured with a Nickerson color chart based on the Munsell Hues. The data associated with each specimen were compiled in the field along with any notes about any interesting or unusual features. There was no practical method of making a proper soil analysis at the plant site. However, often a general comment was made about the soil. No chemotaxonomic data were gathered.

Geography and Ecology of Specimens

The specimens used in this study were collected in Jamaica, Costa Rica and Nicaragua; the states of Amazonas, Pará, Pernambuco, Minas Geraes and São Paulo, Brazil; and on the eastern slopes of the Andes in Bolivia and Peru. Most of the material was collected by the senior author either from a plot maintained by an experiment station, or from a farmer's field. Because much previous survey and collecting work have been done at several of the experiment stations, an excellent cross section of the types of variation to be

The specimens used in this study are to be deposited in the herbarium of the United States National Arboretum, Washington, D.C. 20002.