4 



470 C0NTRIBUT10:XS FPlO.M Till: ISWTLO^'AL HERBARIUM, 



liiH'ur-rylindric, 8 to lo nii. long, tin* upprrniosl. jnslillatc at biiso, staininale at api-x: 

 pistilhito gliiincp lance(^lat€% witli an awn 5 to (i mm. long; i^tylv l)ran('lu*s 3, sliort; 

 utricle, itulu^ivo vi thv lioak, 4 mm. long, lincar-fiblong, ttigonons, glabrous, jsmoolh, 

 rurvedj siriato; lnak of liardly onr-lhird the length of the body. 



Costa Rican collkctions: Volcau <le Poas^ altitude 2,(100 nu^ers, rUticr 824; 

 Volcan <le Darba, aUItiidc 2.7jO meters, Tonduz 1952; Cerio de Buena Vista, altitude 

 n.lOO nutters, Tonduz "380. 



Liehmann has dosrrib<Ml st^veral Mexic:in s])<'eies of this section, but I havi* not 

 been able to iniitt^ C. piUkri spetifically with any sjx'cinuMi of hiebniann's in the 

 Kew ITerl)ariuni. C. jam csorii gracilis L .11. Baih^y, v.ry like this in haltit, panich^ 

 and color of 8])ikes, differs in that its ])istillate ghiuK^ is less Luistate. 



6. Carex cladostachya Wahlenb. Kong. Vet. Akad. Nya Ilandl. Stockh. 24: 149. 

 1S03. 



J 



Carexvicxicanaj. S. &. (\ B Presl, Rel. llaenk. 1: 204. 1830. 

 Carex hartweyii l>oolt in Benth. BL Hartw. 96. 1839-57. 

 DisTiuBUTioN: From Mexico to Bolivia, common. 



Costa Rican collections: Besamparados, altitude 1,100 meters, Tonduz 1483; 

 Tres BioSj ViUicr 4337; San Marcos, altitude 1,350 meters, Tonduz 7717; Alajnelita, 

 altitude 1,000 meters, Tojuhiz 8843; Aserri, Tonduz 1247d; San Jose, altitude ],100 

 meters, Tonduz 1247 ter; El Copoy, altitude 2,500 meters, Tonduz 12180; Pods, alti- 

 tude 2,450 meters, ridlvr 2984; Cabeceras del B>ris, Fiitier 105G8; Rio Birws, altitude 

 1,200 meters, rUlier 312G; Riu Torres, Tonduz 1247bis; Cafias Gordas. altitude LlOO 

 meters, PiUier 7350, 11028; Santa Barbara, aUiUide 1,400 meters, Tonduz lUll; El 

 Rodeo de Paquita, altitude 900 metiers, Tonduz lt)20. 



C ipnhji^tachya Wahl./^ according to Anu^ican authors, is represented by Pringle's 

 no. 4840 from Oaxaca, and Bourgeau's no. 302() from Orizaba. It is a st(mter ])lant, 

 with more rigid inflorescence and an ellipsoid or ovoid utricle; l)ut in my opinion it 

 is scarcely distinguishable specifically, 



6. Carex jovis i\ B. Clarke, sp. nov. 



A meter higli and more; hnives 1 cm. long, densely glanduhir-pubefulent beneath; 

 inflorescence 50 cm. lung, pedunrles rigid, suberect; corynd)s rigid, narrow; spikes 

 as much as 3 cm. long. 1 mm, wide, several of them pistillate at base and staminate at 

 apex; pistillate glumes lanceolate, little sm'passing the utrirles; style 3-fid; utricle 

 2 to 3 mm. huig including the beak, oblong, smooth, glabrous, trigttnous. striate; beak 

 about one-third as long as the ))ody, deeply bidontate; nut ubiung. trigonous. 



Costa Hioan collection: PiUier & Tonduz 10757 in the Brussels Herbarium 



18. HYPOLYTRXJM, B. C. Rich. 



Proper spikelets. very small, appearing as if composed of bisexual flowers in spikes 

 resembling clos(4y the spikelets of Scirpus, imbricate<l on all sides, 3-flowenMl; llio 

 two lower flowers opposite, staminate, each with ^)nly one stamen, the uppermost one 

 a naked pistil, 1 to 4 obh>ng scales (i. e., sterile male glumes) being interposed between 

 the two male flowers and the pistil; staminate glumes V>oat-shaped, somewhat hairy 

 on the keel, distinct or sometimes more or less connate, style bifid. — Jnflori'SC(^noe 

 paniculati'-oorymbose. - 



Species -^12, distril>u1('<l throughout almost all tropieal countries; one at Nepal, one 

 in the Hawaiian Islan<ls. 



1. Hypolytruni nicaraguense Lii'bni. Bansk. Vid. Selsk. Skr. 2: 47. 1849. 

 Ilypolytrum aiuplum var. f'?) /i, Xees in Mart. Fl. liras. 2': G5. 1843. 

 Ilypolytrum selloianum Boeckl. Binnaea 37: 134. 1S71. 



aKongl. Vet. Akad. Nva. HandL Stockh. 24: 149. 1803. 



