408 University of California Puhlications in Botany [Vol. 10 



.ffischynomene arenicola sp. nov. 



Annua: prope basim ramosis; caulibns usque ad 3 dm. altis, 

 patentim hirsutis hirtis flavescentibus : foliis 2-2.5 cm. longis petiolum 

 2 mm. lonfjum ineludontibus; rhachi hirsuta; foliolis 5-7-jngis oblongis 

 congestis supra glabris subtus adpresse hirsutis, margine plerumque 

 ciliatis, apice apiculatis, medio costatis, ca. 7 mm. longis, 4 mm. latis ; 

 stipulis lanceolatis hirsutis ca. 3 mm. longis : floribus racemis 2-3- 

 floris axillaribus dispositis, ca. 3 mm. longis ; pedunculis pedicellisque 

 patentim hirsutis, pedicellis 4mm. longis; calyce hirsuto; corolla ca. 

 4 mm. longa, flava purpureo-tinctaque; legumine ca. 1.5 cm. longo; 

 articulis 5-8 utrinque fere aequaliter sinuatis, orbicularibus ca. 2 mm. 

 latis ; stipite 4-5 mm. longo. 



An annual hirsute species having a slender legume with a long 



stipe. Collected on sandy soil in pine forests near Hacienda Mon- 



serrate, Chiapas. No. 9148. Type, Herb. Univ. Calif. No. 220377. 



.ffischynomene pinetorum sp. nov. 



E radice lignosa crassaque multicaulis : caulibus erectis tenuibus 

 glabris striatis paulo ramosis, ca. 3.5dm. altis; rhachi foliorum ca. 

 2.5 cm. longa ; f oliolis plus quam 25 oblongis, 4 mm. longo ; stipulis 

 lanceolatis striatis hirtellis: inflorescentiis caules ramosque termi- 

 nantibus ; pedicellis ca. 1.8 cm. longis, hirtellis ; corolla flava purpureo- 

 tinctaque : legumine plerumque 1 cm. longo, articulis 2 glabris ellip- 

 soideis terminali longe acuminato, isthmo fere centrali lato. 



The specimens are old, and most of the leaflets and flowers have 



fallen. The numerous slender erect stems and short branches give the 



plant a broom-like appearance. Purpus No. 6625, distributed as 



2E. simulans Rose, is the same species. Collected in pine forests near 



Hacienda Monserrate, Chiapas. No. 9064. Type, Herb. Univ. Calif. 



No. 220371. 



Petalostemon chiapense sp. nov. 



Fruticosum, erectum, ramosum, foliosura: caulibus ramisque 

 pubescentibus praecipue superne : foliis ca. 1 cm. longis. utrinque 

 albo-pubescentibus ; stipulis lanceolatis, ca. 3mm. longis; foliolis 5-7 

 ovato-oblongis, ca. 6 mm. longis, apice acutis, truncatis, vel retusis; 

 stipellis miuutis: spicis caules ramosque axillares breves terminan- 

 tibus, densifloris, ca. 1.5 cm. longis: calycis lobis 1-1.5 mm. longis, 

 quam tubo paulo brevioribus; petalis albis; vexillo cordato : ovario 

 apice albo-hirsuto ; bracteis 4 mm. longis, e basi lata filiformibus flores 

 superantibus. 



The flowering spikes, mainly terminating short axillary branches, 



are numerous. The pubescence of the stems, branches, and leaves 



gives the species a white appearance. Collected on mountains near 



Hacienda Monserrate, Chiapas. No. 9142. Type, Herb. Univ. Calif. 



No. 220445. 



