i 



Blake Revision of Polygala 27 



lineari-lanceolata saepe plicata vel involuta utrimque obtusiuscula 

 1-nervia subcaneseenter incurvo-puberula subsessilia 11-14 mm. 

 longa 1.5-2.5 mm. lata; infima oblonga obtusa 3 mm. longa 1.5 

 mm. lata. Racemi flexuosi 9-12-flori 2.5-45 cm. longi. Flores 

 3.5-4.5 mm. longi. Sepala oblongo-ovata lanceolata subacuminata 

 sparse ciliolata ceterum glabra 2.5 mm. longa. Alae obovatae apice 

 rotundatae sparse ciliolatae et basi sparsissime incurvo-puberulae 

 ceterum glabrae 3.5-4 mm. longae 1.8 mm. latae. Carina purpuras- 

 cens glabra 4-4.2 mm. longa. Petala superiora oblongo-spathu- 

 lata breviora. Capsula elliptica infra medium paullo latior 

 glaberrima (margine ciliolato excepto), vallecula parva saepe fere 

 occulta, 5.7-6.5 mm. longa 4.5 mm. lata, in pedicello incurvo- 

 puberulo patente vel reflexo 2.5 mm. longo. Semen 4 mm. longum 

 subsericeo-pilosum. Arillus minimus 0.7-0.8 mm. altus, umbone 

 corneo dense patenter pilosulo (ca. 0.5 mm. alto), margine scarioso 

 angusto subintegro, lobo dorsali deficiente. Coahuila: Saltillo, 

 May 1898, Palmer 165 1/2 (type: G). T. 1. Fig. 13. 



27.1. P. rectipilis, sp. nov. E basi fruticulosa herbacea erecta 

 pluricaulis 1.6-2.3 dm. alta. Caules infra sparse ramosi flexuosi 

 dense breviter pilosi pilis omnibus recte patentibus. Folia inferiora 

 oblonga vel oblongo-ovalia apice obtusa mucronulata 3-nervia 8-14 

 mm. longa 1.5-4 mm. lata, ut media et superiora dense breviter 

 patenti-pilosa; media et superiora linearia mucronata 12-22 mm. 

 longa 1.7-2.6 mm. lata, in petiolis patenti-pilosulis ca. 0.5 nun. 

 longis. Racemi terminales vel quasi extra-axillares flexuosi dense 

 patenti-pilosuli 4-10 cm. longi 4-18-flori. Flores 5-5.3 mm. longi. 

 Sepala lanceolata acuta vel subacuminata sparse patenti-pilosula 

 et -ciliolata 2 mm. longa. Alae obovato-ovales apice subacutae 

 breviter unguiculatae patenter ciliolatae et in costa sparse patenti- 

 pilosulae 4.5 mm. longae 2.8 mm. latae. Carina purpurea (apice 

 flavescente excepto) 4.8-5.3 mm. longa. Capsula ovalis basi rotun- 

 data glaberrima (margine patenti-pilosulo excepto) 7.5-8 mm. 

 longa 5 mm. lata, vallecula saepe occulta. Semen breviter sericeum 

 4 mm. longum. Arillus 1 mm. altus, margine scarioso angusto vix 

 lobato. New Mexico: limestone hills, alt. 1065 m., 3.2 km. 

 south of Hillsboro, Sierra Co., 6 Sept. 1904, Metcalfe 1274 (type 

 coll.: BG). T.l. Fig. 14. 



28. P. Palmeri Wats. Stems several, erect or ascending from a 

 fruticulose base, branched, 1.2-1.8 dm. high, densely subcanes- 



