Contributions from the United States National Herbarium Volume 1

Contributions from the United States National Herbarium Volume 1

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1895 edition. Excerpt: ...Portulaca pilosa L. Dallas County, Tex; August. No. 399. Talinum calycinum Engelin.1 Cheyenne country. June. No. 185. Talinum parvlflorum Nutt. Hartley Couuty, Tex. In sand. August. No. 403. Claytonia Virginica L. Vinita. April. No. 1. MALVACEAE. Callirrhoe involucrata Gray. Neutral Strip; North Canadian River. Augfist. No. 338. Callirrhoe pedata Gray. Cimarron Valley. June. No. 226. Malvastrum angustum Gray. Reno County, Kans. July. No. 288. Malvastrum coocineum Gray. Comanche County, Kans. June. No. 238. Hibiscus lasiocarpus Cav. Hemphill and Moore counties, Tex. August. Nos. 426, 436. LINEiE. Linum Berlandieri Hook. Oklahoma City. May. No. 128. Linum perenne L., var. Lewisii Eaton and Wright. Cheyenne country. June. No. 192. Linum sulcatum Riddell. Black Bear Creek, Cherokee Outlet. September. No. 481. ZYGOPHYLLE.SS. Tribulus maximus L. Upper Cimarron. Becoming a noxious weed in cultivated ground. July. No. 362. 1 This species and T. tereti/olium look very much alike. Wtion in flower they can be separated by the number of stamens, T. calycinum having 30, T. tereti/olium 20. In fruit the separation is more difficult. The only tangible distinction that I could make out is in the duration of the sepals, which fall with the corolla in 2'. tereti/olium, but are somewhat persistent after the corolla falls in T. calycinum. The sepals are also produced below the point of insertion in T. calycinum and uot produced in T. tereti/olium. Coherently stated, the matter stands thus: 1. Talinum calycinum has 30 or more stamens, has sepals persistent after the corolla falls, and has thorn producod below the point of insertion. 2. Talinum terclfolium has 20 stamens; its sepals fall with the oorolla and are uot produced below the point of insertion....show more

Product details

  • Paperback | 236 pages
  • 189 x 246 x 13mm | 426g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236856252
  • 9781236856258