56 BOTANICAL GAZET7E. 



A NoLiNA IN Colorado.— Last January, while clipping lichens 

 from the rocks about Trinidad, I discovered tufts of long, green, 

 grassy leaves, which I recognized at a glance as belonging to the 

 Mexican and sub-tropical liliaceous genus, Nolina. It was a fine sur- 

 prise; no representative of the genus being known to occur much 

 north of the Mexican boundary. From the winter material which I 

 gathered, it is evident that the species is undescribed and new (TV. 

 Greenei, Watson, ined.). Any botanist who may wander into extreme 

 southern Colorado, or northeastern New Mexico during the coming 

 season is hereby notified of the presence of this interesting and im- 

 perfectly known plant; and is requested to make specimens of flow- 

 ers and fruit if possible, as well as leaves. It is common up among 

 the high, rocky verges of the mesas, along with Yucca haccata, all the 

 way between the Apishapa river in Colorado, and Las Vegas in New 

 Mexico. The leaves by which the plant is readily known, are two 

 feet long, and much narrower than those of any of the Yuccas. 

 — Edward L. Greene, Silver City, New Mexico. 



Early Plants. — The past winter has been so warm, that vegeta- 

 tion started earlier than usual this spring. It is uncommon to have 

 plants bloommg in northwestern Arkansas early in February, but this 

 year, Ulmus alata. Americana, and fiilva were in flower in January. 

 Draba b7-achycarpa, Viola cordata, V. tricolor, var. arvensis, Erythron- 

 ium albidum. Ranunculus fascicularis, Claytonia Virginica, Houstonia cce- 

 rutea, Acer rubrum, etc., were sparingly in bloom before the close ot 

 February. A snow storm and hard freeze occurred about the 15th of 

 March, killing the blossoms on the elms and maples, and checking the 

 growth of everything. The elms and maples will not produce fruit 

 this season. I succeeded in collecting blossoms of Ulmus alata a itw 

 days before the freeze. This species blooms so early that the flowers 

 are usually killed before fruit is perfected. Fruit has perfected but 

 once in the last five years. Peach trees and Japonicas put out some 

 blossoms before the freeze in March, but were so severely shocked that 

 the majority of the buds were delayed several weeks, and now ( April 

 5) these species are in full bloom and the prospects most favorable for 

 an abundant peach crop. — F. L. Harvey, Ark. Ind. Univ. Fayette- 

 ville, Ark. 



The Pollen of Pringlea.— The answers of A. G. kindly 

 given to my questions, though covering literally all I asked, do not 

 meet all that I hoped for in connection with Pringlea. The orig- 

 inal paragraph stated "all crucifers have pov.'dery pollen. Sir Joseph 

 Hooker thinks lihe plant [Pringlea) is anemophilous, while the rest of 

 the order {C^'uci/erce) is said to be entomophilous." Will A. G. 

 add to the obligation we all feel for his instructive note, by explain- 

 ing what need there is for insect aid in plants that have dry powdery 

 pollen which can be readily taken anywhere by the wind? It had 

 hitherto occurred to me that to have dry powdery pollen was an 

 essential feature in an anemophilous flower. While writing may I 



