Product Code Database
This historic book may have numerous typos and missing text
Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919. Excerpt: ... villosulous along the costa or glabrate, the lateral veins prominent, about 14 on each side, arcuately subdivaricate; cymes sessile or short-pedunculate, few or many-flowered, about 2 cm. long, the flowers 4-parted, the pedicels slender, 1 to 6 mm. long; calyx tube oblong, glabrous, 2 mm. long, the lobes lancetriangular or oblong, obtuse, 1 to 2.5 mm. long, sparsely puberulent; corolla 10 to 12 mm. long, yellow, glabrous, the lobes narrowly oblong, obtuse, about equaling the tube; anthers 3 mm. long, yellow; fruit oblong, 5 mm. long or larger. Type in the U. S. National Herbarium, no. 567526, collected on Cerro del Boquer6n, Chiapas, Mexico, June, 1914, by C. A. Purpus (no. 7268, in part). Specimens of the same collection in the Gray Herbarium and the herbarium of the New York Botanical Garden also belong here. Hoffmatmia comattii Robinson and H. strigillosa Hemsi. are both close relatives, but have the leaves glabrous or strigillose beneath and of different outline. A specimen of Purpus''s no. 7268 in the herbarium of the Missouri Botanical Garden is the type of Hoffmannia rotundata, described above. NEW RUBIACEAE OF VARIOUS GENERA FROM NORTH AMERICA. Of the species of this group discussed here the most interesting is the new Dtwoia, for this genus has been known previously only from South America. It is a characteristic example of the numerous genera added to the known flora of North America by recent explorations in Panama and Costa Rica. The writer has already described species of Casmpa1 and Stachyarrena from Panama, two other genera previously believed to be exclusively South American. Alseis Schott; Spreng. Syst. Veg. 4: Cur. Post. 404. 1827. A collection made by Dr. G. F. Gaumer at Buena Vista Xbac, Yucatan (no. 1043), is of unusual interest, becau...
|
