278 LEGUMINOSZ. 
Frutex ramis teretibus graciliusculis, primum pilosis, demum glabris. Folia petiolata, pinnatim tri- 
foliolata; foliola lanceolato-oblonga, 2-24-pollicaria, basi rotundata vel subcuneata, apice 
mucronulata, utrinque dense strigilloso-pilosa, subtus pallidiora, petioli parte sub foliolis 6-10 
lin. longa; stipule deciduz non vise ; stipellz long, subulate. Flores mediocres, sessiles, 
dense spicati; spicee vix pollicares, axillares et terminales, bracteatze, bracteis albo-sericeo-pilosis, 
late ellipticis, longe acuminatis, persistentibus quam flores brevioribus ; calyx dense longeque 
sericeo-pilosus; ovarium longiuscule stipitatum, glabrum, 4-ovulatum, marginatum. Legumen 
a nobis non visum. 
Sour Mexico, without localities (Parkinson, Linden). Hb. Kew. 
This plant was intermixed with D. strobilaceum, from which it is very distinct, and 
is easily distinguished by its short dense bracteate flower-spikes. Possibly it may 
not be a true Desmodium. 
23. Desmodium diversifolium, Schl. in Linnea, xii. p. 313 (=D. incanum, 
DC. %). 
SoutH Mexico, Hacienda de la Laguna (Schiede). 
24. Desmodium elegans, Schl. in Linnea, p. 320. 
Mexico (Hegewisch). 
25. Desmodium exiguum, Pl. Wright. ii. p. 46. 
Norra Mexico, Santa Cruz, Sonora (Thurber), Sonoita (Wright). 
26. Desmodium (§Chalarium) foliosum, n. sp. 
Suffruticosum vel herbaceum, preeter pedicellos et calyces glabrum vel glabrescens, ramis subangu- 
latis, foliis longiuscule petiolatis trifoliolatis, foliolis membranaceis lanceolatis basi rotundatis 
apice mucronulatis, floribus parvis numerosis dense racemoso-paniculatis breviter pedicellatis, 
paniculis brevibus lateralibus et terminalibus foliosis, ovario 4-5-ovulato breviter stipitato, 
legumine levi tenui anguste elongato sepissime quadriarticulatis, articulis oblongis. 
Suffrutex (vel herba sublignosa), preter pedicellos et calyces puberulos glaber vel glabrescens, ramis 
subangulatis viridibus. Folia petiolata, pinnatim trifoliolata, pallide viridia; foliola eleganter 
lanceolata, sesqui- usque tripollicaria, lateralia quam terminale tertio parte minora, omnia basi 
rotundata, apice mucronulata, reticulato-venosa, venis primariis lateralibus prominulis arcuatim 
abeuntibus, margine nervosa, juniora subtus interdum parce puberula, petiolo gracili, circiter 
pollicari; stipule parve, oblique lanceolate, acuminate, purpuree, striate, reflexe, cito deciduz ; 
‘stipelle longiuscule, subulate. Flores parvi, roseo-purpurei, numerosi, dense racemoso-panicu- 
lati ; paniculz. breves, laterales et terminales foliose, ramulis graciliusculis ; pedicelli 2-3 lin. 
longi, solitarii, gemini vel terni; bractee bracteoleque parve, striate, subulate, persistentes ; ; 
ovarium breviter stipitatum, glabrum. Legumen rectum, leve, tenue, sepissime quadri- 
articulatum, interdum 5-articulatum, articulis oblongis, obscure reticulato-venosis, circiter 
semipollicem longis, 14-2 lineas latis. 
Sour Mexico, Sierra San Pedro Nolasco &c. (Jurgensen, 897), Vera Cruz to Orizaba 
(Miller, 1466), Orizaba (Sumichrast, 1735). Hb. Kew. 
This is closely allied to D. nitidum, Mart. et Gal. (see remarks under that 
species). 
