HITCHCOCK——-MEXICAN GRASSES. 
Muhlenbergia plumbea (Trin.) Hitchc.............0.......00-200 eee e ee eee 
Vilfa plumbea Trin. 
Muhlenbergia quitensis (H. B. K.) Hitche........................ 
Calamagrostis quitensis H. B. K. 
Muhlenbergia straminea Hitche. sp. nov.................----+--- 
Paspalum crassum Chase, sp. NOV ................0.-2000 00202 e eee 
Paspalum crinitum Chase, sp. nov .............2....-..2-20022 eee 
Paspalum jaliscanum Chase, sp. nov.............-.-...-.-----+------ 
Piptochaetium brevicalyx (Fourn.) Ricker.....................--- 
Stipa brevicalyx Fourn. 
Poa albescens Hitche. sp. nov........-.....22.--2 200-022 e eee eee eee 
Poa griffithsii Hitchc. sp. nov....................-2-2222-2+--- seeee 
Poa orizabensis Hitche. sp. nov.....................2200000- Leeeee 
Poa strictiramea Hitche. sp. nov ..............-2------22--22----- 
Senites capillaris Hitchc. sp. nov.............-.-------+---5---+--- 
Senites latifolia (Fourn.) Hitche ..:............-.-.2.-2----+------ 
Krombholzia latifolia Fourn. 
Senites latifolia pringlei (Hack.) Hitchc.......................... 
Zeugites pittiert var. pringlei Hack. 
Senites mexicana (Kunth) Hitche................-2222-2.---------- 
Despretzia mexicana Kunth. 
Senites pringlei (Scribn.) Hitchc...............-.-..--.---2----+++-- 
Zeugites pringlei Scribn. 
Senites smilacifolia (Scribn.) Hitche................2......... Lees 
Zeugites smilacifolia Scribn. 
Sorghastrum agrostoides (Speg.) Hitchc.....................-.--- 
Andropogon agrostoides Speg. 
Sorghastrum liebmannianum Hitchce. sp, nov..................---- 
Sporobolus erectus Hitchce. sp. nov................2.222220202 2222 ee eee eee 
Sporobolus trichodes Hitchc. nom. nov...............-.-----+----- 
Sporobolus capillaris Vasey, 1893, not Miq. 1851. 
Syntherisma distans Chase, sp. NOV...........-------------------- 
Syntherisma velutina glabella Chase, subsp. nov...........-.------------- 
Tridens avenaceus (H. B. K.) Hitchc...................-.-.------- 
Triodia avenacea H. B. K. 
Tridens pilosus (Buckl.) Hitche............2.......-. Lecce eee eeeee 
Uralepis pilosa Buckl. 
Triniochloa Hitchc. gen. nov. (type Podosaemum stipoides H. B. K.) ......-- 
Triniochloa laxa Hitchce. sp. nov.....-........--- 22-22-22 eee eee 
Triniochloa micrantha (Scribn.) Hitche ...................-------- 
Avena micrantha Scribn. 
Triniochloa stipoides (H. B. K.) Hitchc..................-.-- Leese 
Podosaemum stipoides H. B. K. 
Trisetum evolutum (Fourn.) Hitche.....................-.------------+--- 
Deyeuxia evoluta Fourn. 
Trisetum fournieranum Hitche. nom. nov..........---------------+--++-+--- 
Trisetum gracile Fourn. 1886, not Boiss. 1845. 
Trisetum palmeri Hitche. sp. nov..............-------------------- 
Tristachya angustifolia Hitchc. sp. nov........-.----...---------- 
