182 University of California Publications in Botany [Vol. 6 



Calopogonium lanceolatum sp. iiov. 



Caiilibiis fiilvo-hirsiitis : foliolis ovato-lanceolatis minute adpresse 

 hirsntiilis. ca. 7.5 em. longis, 2.5 cm. latis; petioliilis 3-5 mm. longis, 

 fiilvo-hirsntis: petiolis 4—9 cm. longis. fere glabri-S: racemi.s ca. 6 cm. 

 longis. fnlvo-villosis pancifloris ; calycis lobis 5, lanceolatis fulvo- 

 villosis ; bracteis bracteolisque lanceolatis dense fulvo-hir.sutis : ovario 

 hirsuto : legnmine recto lineari. ca. 3.5 cm. longo. adpresse fiilvo- 

 hirsuto. 



The mature leaflets of this species are apparently glabrous and 

 only by the aid of a lens can the minute hairs be seen : the yonng leaf- 

 lets are densely yellow-hirsute, the older ones bright green above and 

 paler beneath. The calyx lobes are nearly equal in length and taper 

 to a sharp point. Collected on Cerro del Boqueron, Chiapas. No. 7436. 

 Type, Herb. Univ. Calif. No. 178081. 



Krameria collina sp. nov. 



Fruticulus erectus sericeo-hirsutus ramo.sus, ca. 2 dm. altus: ramis 

 gracilibus, vetustis glabris : foliis sessilibus oblongo-lanceolatis, ca. 6 

 mm. longis: floribus axillaribus; pedicellis quam foliis longioribus, 

 medio bibracteatis : sepalis 4. exterioribus acutis. interioribus obtusis; 

 petalorum 3 unguibus connatis, petalis 2. crassis orbiculatis; staminibus 

 usque ad ba.sim liberis : fructu globoso dense tomentoso, spinoso. spinis 

 rectis apice minute glochidiatis. 



Collected on rocky slopes of Cerro de Picacho. No. 7160. Type, 

 Herb. Univ. Calif. No. 175036. 



Heteropteris pallida sp. nov. 



Caulibus glabris : foliis oppositis ovatis apiculatis glabris, ca. 7 cm. 

 longis. 5 cm. latis ; foliolis panicularum glandulas mannas gerentibus; 

 petiolis ca. 12 mm. longis: floribus paniculatis. pedicellis adpresse hir- 

 sutis; sepalis obtusis hirsutis, glandulis 8 magnis; petalis oblongis in- 

 tegris unguiculatis pallidis, ca. 5 mm. longis, laminis basi cordatis; 

 samaris pallidis adpresse sericeo-villosis. mareine superiori auriculatis, 

 ca. 2.5 cm. longis. 



*to* 



The body of the mature samara is coarsely reticulated. Collected 

 near San Geronimo, Oaxaca. No. 7262. Type, Herb. Univ. Calif. No. 

 174915. 



