502 



APPENDIX. 



[Vol. III. 



[Vol. i: p. 132.] ia. Savastana Nashii 



Bicknell. Nodding Vanilla-grass. 



(Fig. 294a.) 



5. Nashii Bicknell, Bull. Torr.Ciub, 25: 104. PL32S. 1898. 



Plant smooth, glabrous and shining. Culms 

 erect, slender, simple, 2-3 tall. Sheaths over- 

 lapping, striate ; ligule scarious, 2 // ~3 // long ; 

 leaves erect or ascending, elongated, a little rough- 

 ened above, the culm leaves 5 or 6, 2 / -8 / long, 2 // - 

 3 // wide, acuminate; panicle long-exserted, loose 

 and open, 7 / -i7 / long, its apex nodding, the capil- 

 lary branches drooping, the larger 3 / ~7 / long, in 

 pairs, the divisions more or less flexuous; spike- 

 lets 2> // -4 // long, on capillary pedicels; scales 5, 

 the outer 2 empty, abruptly long-acuminate, the 

 first i-nerved, the second 3-nerved, the third and 

 fourth scales about 2> // long, rough, ciliate on the 

 margins with ascending hairs, 5-nerved, acute, usu- 

 ally awn-pointed, the fifth scale smaller, smooth, 

 hispidulous at the apex, sometimes awn-pointed. 



Along brackish marshes, New York City. July-Aug. 



[Vol. i: p. 136.] 10a. Aristida divaricata 

 H. & B. Spreading Aristida. (Fig. 306a.) 



Aristida divaricata H. & B.; Willd. Enum. Hort. 

 Berol. 99. 1809. 



Culms lj-3 tall, tufted, erect. Sheaths over- 

 lapping, rough, usually with a tuft of long hairs on 

 each side at the apex; ligule a short ciliate ring; 

 leaves smooth beneath, rough above, those of the 

 culm 6 / -i2 / long, i // -2 // wide, erect or ascending; 

 the sterile shoots from one-third to one-half as long 

 as the culm, the leaves narrower; panicle compris- 

 ing one-half of the plant, or more, often included 

 at the base, its branches rigid, at length widely 

 spreading; spikelets, exclusive of the awns, about 

 }4. ; long,numerous; empty scales acuminate, usually 

 awn-pointed; flowering scale commonly slightly 

 shorter than the empty ones, firm, sometimes 

 spotted with purple, hispidulous above; awns not 

 articulated to the scale, the lateral ones shorter than 

 the central, which is 6 // -io // long; callus pilose. 



Dry sandy soil, Kansas to Arizona and New Mexico, 

 south to Mexico. 



Agrostis coarctata Ehrh. Dense-flowered Bent-grass. 

 , (Fig. 362a.) 



Agrostis coarctata Ehrh.; Hoffm. Deutsch. Fl. Ed. 

 2, 1: 37. 1800. 



Glabrous. Culms tufted, erect, or decumbent 

 at the base and often rooting at the lower nodes, 

 smooth, 1 2 / -20 / tall, at length branching; sheaths 

 shorter than the internodes; ligule scarious, 

 yi"-\" long; leaves erect, rough on both sur- 

 faces, iX /_ 3/^ / l n g> i/^" or less wide; patiicle 

 dense and contracted, i)4 / -4 / long, tf'-yZ' thick, 

 its branches erect, the longer 1%' long or less ; 

 spikelets numerous, crowded, acute at both ends 

 and lanceolate when closed, i // -i% // lng, on 

 shorter hispidulous pedicels which are much 

 thickened at the apex; empty scales acute, his- 

 pidulous on the upper part of the keel, espe- 

 cially in the first scale; flowering scale hyaline, 

 about three-quarters as long as the spikelet, den- 

 ticulate at the truncate or rounded apex; palet 

 about one-half as long as the scale. 



Maine to New Jersey. Also in Europe. July-Sept. 



