26 XYRIDEAE kunth. (Abolboda.) 



piformes, teretiusculi, striati, glabri, basi vaginati, supra me- 

 diuin vaginis duabus similibus, pedunculum arcte involvcntibus 

 instructi. Vagina basilaris membranacea, lanceolata, acuminata, 

 glabra, pollicaris ; vaginae duae superiores oppositae, spathae- 

 formes, lanceolatae, acuminatae, carinatae, ..margine diaphanae, 

 glabrae: inferior paulo major, 8-9 lineas longa. Spiea3-4-flora. 

 Squamae imbricatae, ovato-oblongae, acuminatae, carinatae, gla- 

 brae, margine diaphanae, uniflorae. CaJyx exterior: Sepala 2 

 latcralia carinata, versus mcdium articulata, parte inferiore trun- 

 cata persistente *) : tertium . . . ,\ calyx intcrior tenere corolla- 

 ceus, subhypocrateriformis, cacrulcus ; tuhus elongatus, tenuis; 

 limbus tripartitus, patentissimus ; laciniis obovatis, marginc sub- 

 undulatis, inferne barbatis ; barba lineari. Stamina 3, fauci ca- 

 lycis interioris inserta, brevia. Antherae oblongo- lineares. 

 Ovarium liberum, sessile, pyriforme. Stylus exsertus^ apicc tri- 

 fidus; laciniis bi}obis. Capsula 3-locularis ?, trivalvis, polysperma. 

 (Humb.) Pianta non amplius suppetit. 



2. A. brasiliensiS. Foliis rigidis, mucronatis ; pedunculis 

 ad medium bivaginalis; laciniis calycis interioris imberbibus; 

 stigmatibus irregulariter laccratis. — Brasilia meridionalis, in- 

 ter Minas et St. Pa.ulo. (Sellovv.) — Acaulis , caespitosa, 

 perennis. Radices fasciculatae, simplices, crassae: epidermide 

 spongiosa, solubili. Folia graminea, linearia, supcrne angustato- 

 subulata, mucronata, plana, rigida, subensiformia, obsolete quin- 

 quenervia, supra plana, subtus convexiuscula, nervo medio pro- 

 minentc angulata, glabra, 18-22 lineas longa, infcrne vix lineam 

 lata, basi subpellucida. Pcdunculi radicales scapiformes, basi 

 uni-, supra medium bivaginati. 5-12-poliicares, compressiusculi, 

 superne teretiusculi, laeves, glabri, demum inferne subspiraiiter 

 torti; vagina basilaris aperta, rigida, acuto-submucronulata, pedun- 

 culum involvens, glabra, pollicaris ; vaginae supcriorcs basilari simil- 

 limae, superne utroque margine hyalino-aridae, pcdunculum arcte 

 involventes, spathaeformes : exterior brevior. Spica pcdunculum 

 terminans, abbreviaia, pauciflora, oblonga, subsemipollicaris. 

 Squamae undique imbricatae, ova<ae, robuste niucronatae, navi- 

 culares, subcoriaceae, stramineo-pallidae, laeves, glabrae, omnes 

 fertilcs, exceptis 1-2 intimis effetis. Calyx cxterior: Sepala duo 

 lateralia squamis similia, ovata, obtusiuscula, navicularia, ro- 

 buste carinata, rigida, stramineo-pallida , glabra: altero alterum 

 amplectente paulo majore; tertium nullum?; calyx intcrior te- 

 nerrime corollaceus, infundibularis?, violaceus, glaber; tubus lon- 

 gitudine sepalorum exteriorum, superne ampliatos?; limbus tri- 

 partitus, patentissimus , regularis: laciniis ovatis, imberbibus. 

 Stamina 3, fauci calycis interioris inserta ejusque lobis oppo- 

 sita, aequalia, brevia. Filamenta glabra. Antherae biloculares, 



*) Squamae 2. bypogynae. Bonpl. 



