184 University of California Fublications in Botany [Vol. 10 



Desmodium sylvicola, sp. nov. 



Herbaceiim, erectum, ramosum : caulibus striatis, glabris : foliis 

 inferioribus trifoliatis; superioribus unifoliatis superne gradatim in 

 bracteas nutantibus, utrinque glabris ; foliolis ovato-acutis, usque ad 

 4.3 cm. longis, 2 era. latis ; foliolo terminal! majori cum petiolulo 1.8 

 cm. longo ; petiolulis f oliorum latiorum 2-3 mm. longis ; stipulis 

 brunneis, striatis, ca. 4 mm. longis ; stipellis filiformibus : inflorescentia 

 laxe paniculata ; calyce breviter uneinato-hirsuto ; corolla purpurea ; 

 pedicellis peduneulisque breviter uncinato-hirsutis ; bracteis sub 

 floribus ovato-lanceolatis, ca. 5 mm. longis, breviter hirsutis ; legumine 

 breviter stipitato, glabro ; articulis 4-5, ovato-orbicularibus, plerumque 

 sibi invicem replicatis; isthmis centralibus. 



Usually the legume resembles that of D. plectocarpum Hemsley 

 but sometimes it is flat. The specimens do not show the height of the 

 plant. Collected at Lochiapa, Vera Cruz, in rocky forests. No. 8658. 

 Type, Herb. Univ. Calif. No. 208411. 



Parosela longeracemosa, sp. nov. 



Fruticulus plus quam 25 cm. altus ramosus : ramis juvenibus 

 pubescentibus : f oliorum rhachi ca. 1.7 cm. longa, pubescenti, 

 indistincte glancluloso-punctata ; petiolo pubescenti, ca. 1 cm. longo ; 

 foliolis oblongo-obovatis, primum puberulis demum supra glabris, 

 subtus glanduloso-punctatis, ca. 7 mm. longis ; stipulis subulatis, 

 brevibus; racemis caules vel ramos terminantibus, laxifloris fructiferis 

 demum usque ad 18 cm. longis, rachi pubescenti ; calyce campanulato, 

 villoso, eglanduloso, dentibus deltoideis brevibus margine albo- 

 pubescentibus ; vexillo late cordato, oehroleuco, ca. 6 mm. longo, quam 

 carina purpurea breviori ; alls purpureis : legumine apicem versus 

 puberulo : bracteis calyce brevioribus ovato-lanceolatis, pubescentibus, 

 deciduis. 



Not sufficient quantity was collected for distribution. Collected 

 at Minas de San Rafael, San Luis Potosi. No. 4839. Type, Herb. 

 Univ. Calif. No. 148411. 



Hiraea Purpusii, sp. nov. 



Fruticosa : ramis brunneis : foliis coriaceis, ovatis vel obovatis, 

 apice acutis, obtusis, vel emarginatis, basi truncatis vel cordatis, supra 

 glabris, nitentibus, subtus praeter' costam parum hirsutulam glabris, 

 7-12 cm. longis, 3-6 cm. latis; petiolis hirsutulis, ca. 5 mm. longis, 

 interdum glandulam gerentibus : pedunculis ca. 8 mm. longis ; pedicellis 

 ca. 15 mm. longis, hirsutulis; sepalis ovatis, ca. 2 mm. longis, interdum 

 glandulis concavis, stipitatis instructis; petalis flavis, margine den- 

 ticulatis; samaris alls lateralibus, membranaceis, flabelliformibus, 

 dorso crista instructis, alas includentibus ca. 2.2 cm. latis. 



