40 Contributions from the Gray Herbarium 



enia lateralibua validioribus 1 6-jugis) ut ima Bparse pubescentia 

 valde variabilia 1 .5 3.6 cm. longa 4.5-16 mm. lata, in petiolis 1 mm. 

 Longis. Racemi terminales ct quasi extra-axillares 12-21-flori 4- 

 7.5 cm. Longi. Mores 5-5.5 mm. Longi in pedicellis 3 nun. Longis 

 (eorum pilis maxima ex parte incurvis). Sepala ovato-lanceolata 

 acuminata ciliolata et subpatenter Lncurvopubescentia 2.5 mm. 

 longa. Alae ovales apice rotundatae basi late cuneatae purpuras- 

 centes ciliolatae ct ad costam sparse puberulae 5-5.5 mm. longae 

 3-3.5 nun. latae. Carina luteo-virescens alas aequans. Petala 

 superiora oblongo-obovata. Ovarium dense pilosulum. Fructus 

 deist. Durango: Otinapa, 25 July-5 Aug. 1906, Palmer 462 

 (type: G). 



43. P. longipes, sp. nov. Basis . . . Caulis tenuis minutissime 

 strigillosus supra sparse ramosus 3 dm. altus et ultra. Folia cau- 

 lina lanceolata longe acuminata apice obtusiuscula valde cuspidata 

 basi cuneata tenuia venis lateralibus 5-6-jugis vix reticulatis supra 

 viridia minute sparse strigillosa demum subglabrata subtus paullo 

 pallidiora ad venas minute strigillosa inter venas subglabra 5.4-6.5 

 cm. longa 9-14 mm. lata, in petiolis sparse strigillosis 2 mm. 

 longis; folia ramorum linearia 2.5-3.6 cm. longa 1.8-3 mm. lata. 

 Racemus terminalis laxiflorus 14.5 cm. longus, laterales breviores. 

 Flores ut videtur ochroleuci, in pedicellis tenuibus 5-8 mm. longis. 

 Sepala lanceolato-ovata acuta ciliolata et sparse puberula plus 

 minusve patentia 2-2.5 mm. longa, superius longius. Alae oblongo- 

 ovales apice rotundatae basi cuneatae ad apicem ciliolatae costam 

 secundum sparse appresso-puberulae 6.6 mm. longae 3.3 mm. latae. 

 Carina valde unguiculata apice acutiuscula glabra 6.8-7.1 mm. 

 longa. Petala superiora oblonga ad basin ciliata 5.5 mm. longa. 

 Capsula (valde immatura) elliptica ciliata in lateribus glaberrima. 

 Oaxaca: 1842, Ghiesbreght (type: K, fragm. G). The type 

 collection was distributed as P. caracasana HBK. var. 



44. P. chiapensis, sp. nov. Basis . . . Caules erecti simplices 

 vel simpliciter ramosi subdense pubescentes (pilis brevibus incurvis 

 vel patenti-incurvis, paucis longioribus patenti-incurvis interdum 

 adjectis) 2.3-2.4 dm. alti. Folia ima ovalia vel obovata obtusa vel 

 acuta valde reducta 6-12 mm. longa 3-4 mm. lata; media et su- 

 periora lanceolata acuminata submucronata basi cuneata reticulata 

 (nervis lateralibus 3-4-jugis) sparse incurvo-pubescentia 2-4.2 cm. 

 longa 5-8 mm. lata, in petiolis 1-1.5 mm. longis. Racemi termi- 



