276 LEGUMINOSZ: 
14. Desmodium batocaulon, A. Gray, Pl. Wright. ii. p. 47. 
New Mexico.—Norra Mexico, stony banks of small streams, Sonora ( Wright). Hb. 
Kew. | 
15. Desmodium bigelowii, A. Gray, Pl. Wright. ii. p. 47. 
NortH Mexico, valley of the San Pedro, Sonora (righ). 
Grisebach refers this to D. spirale, DC. 
16. Desmodium cajanifolium, DC. Prodr. ii. p. 331. 
South Mexico, Orizaba (Botteri, 699); Panama, Empire railway-station (8. Hayes, 
575), without habitats (Seemann, 458 ; Halsted). —Southward to Perv and Braziu and 
in Trintipap. Hb. Kew. 
17. Desmodium (§ Chalarium) callilepis, n. sp. 
Herbaceum, adscendens vel procumbens, parce pilosulum, ramis gracilibus elongatis striatis, foliis 
parvis petiolatis trifoliolatis, foliolis lanceolato-oblongis usque suborbicularibus utrinque sparse 
setulosis, stipulis bracteisque fusco-purpureis striatis ‘persistentibus, floribus mediocribus 
racemosis, racemis terminalibus axillaribusve, bracteis bracteolisque elongatis lanceolato- 
subulatis, pedicellis filiformibus sepissime geminis, calyce colorato pilosulo, lobis inzequalibus, 
legumine recto vel leviter curvato ‘Subplano juniore dense hirsuto 6-7-articulato, articulis 
ellipticis. 
Herba ramosa, ramis gracilibus, elongatis, 3—4-pedalibus, adscendentibus vel procumbentibus, 
primum debiliter pilosis, dein glabris, flexuosis, striatis. Folia graciliter breviterque petiolata, 
pinnatim trifoliolata ; foliola brevissime petiolulata, membranacea, ovato- oblonga, elliptica vel 
fere orbicularia, maxima sesquipollicaria (foliorum inferiorum foliola elliptica vel orbicularia 
3-4 lin. diametro), apice szpissime apiculata, utrinque sparse setulosa, demum fere glabra, 
reticulato-venosa, venis subtus elevatis; stipulze fusco- -purpurez, striate, e basi lata longe 
acuminate, circiter 3 lineas longer, reflexe, persistentes. Flores purpurei, mediocres, racemosi ; 
racemi elongati (usque pedales et ultra), axillares et terminales, seepe simplices, laxi, pedicellis 
filiformibus, sepissime geminis patentibus, basi bractea et bracteolis duabus suffultis; bractez 
bracteoleeque purpurew, lineares vel lanceolato-subulate, 4-5 lineas longe, striate, persistentes ; 
calyx coloratus, pilosulus, lobis inequalibus ; ovarium hirsutum. Legumen (Juniora tantum 
visa) rectum vel leviter curvatum, angustum, subplanum, dense hirsutum, 6-7-articulatum, 
articulis ellipticis. 
South Mexico, valley of Mexico, Pedregal and Santa Fé (Bourgeau, 332, 582). 
Hb. Kew. 
This species resembles the robust states of D. spirale, DC., of which it has the per- 
sistent bracts; but our plant is apparently perennial, and it has a very different pod. 
18. Desmodium (§ Chalarium) campyloclados, n. sp. 
Fruticosum ? volubile, ramis graciliusculis tortuosis tenuiter uncinato-puberulis, foliis parvis tri- 
foliolatis graciliter petiolatis, foliolis brevissime petiolulatis tenuissimis ovato-lanceolatis acutis 
apiculatis utrinque (preecipue subtus) appresse molliterque hirsutis, floribus laxissime racemoso- 
paniculatis, panicularum ramulis pedicellisque valde tortuosis elongatis fere filiformibus, 
legumine uncinato-puberulo vix asperulo, seepe 4—5-articulato, articulis oblique ovatis. . 
Frutex? volubilis, ramis graciliusculis, tortuosis, virgatis, tenuiter uncinato-puberulis, internodiis 
brevibus. Folia graciliter petiolata, pinnatim trifoliolata; foliola brevissime petiolulata, 
