ANDROPOGON. ANDROPOGONEA (AUCT. EDUARDO HACKEL). 385 
Hab. in siccis sterilibus Americæ borealis, in civitatibus orientalibus 
omnibus, in septentrionem versus usque in Americam Brittanicam 
(Saskatchewan 1. Bourgeau), in occidentem versus usque in civitates 
Colorado (Brandegee) et Texas (Wright 807 alii), in austrum versus 
usque in Mexico (Orizaba l. Schaffn. 102, Jalapa 1.?; S. Luis de 
Potosi l. Virlet f. lolioid.). Sec. Richard etiam in ins. Cuba. 
Subspec. b. maritimus. Spiculis pedicellatis masculis 6—10 mm. 
longis (raro in var. 8 una alterave tabescente interjecta), lineari-lan- 
ceolatis, 4-glumibus. — Rami floriferi robustiores, infra nodos pilosi ; 
racemi robustiores. Spieule mascule gluma I= 5—7-nervis, scabra, 
aristam ea 3—6-plo breviorem exserens ; II“ paullo brevior, 3—5-ner- 
vis, acuta, ciliata; III* IV*que II” subzequantes, acute, muticæ, 
ciliatze, II binervis, IV* 1-nervis; anther® 3 mm. longe. 
a, genuinus; folis glabris; spathis propriis glaberrimis; spiculis 
sessilibus 10 mm. longis. — A. maritimus Chapm.! Fl. South. St. 
Suppl. p. 668. — Lamins etiam ad margines læves, usque 10 em. 
longze. Panicula v. racemus pauper, ramis binis, primariis 1—3-nodi- 
bus, rarius ramulosis. Spathe proprie acuminat®, laterales pedun- 
culum superantes. Racemi 4—5 cm. longi, robusti, 6—8-articulati, 
rhachi subundulata ; articuli pedicellique subgraciles, densius longius- 
que villosi (villis articulum zquantibus), unde racemi subsericei. 
Spieulz sessilis gluma I"* 3—5-nervis, longe attenuata, subintegra, 
III* pallide violascens. Ariste circ. 13 mm. longs columna non 
exserta. Spieule pedicellate 7—10 mm. longe, gluma I"* 7-nervi, 
brevissime aristulata, IV* etiam interdum breviter aristata. 
Florida occidentalis in litore arenoso 1. Chapman. 
B, divergens; vaginis (praesertim inferioribus) paginaque laminarum 
inferiore appresse sericeo-pilosis; spathis propriis appresse pilosis ; 
spieulis sessilibus 7 mm. longis. — A. divergens Anderss. in sched. 
h. berol. — Laminz usque 30 em. longz. Spathe propris laterales 
peduneulum sæpius duplo superantes. Panicule paupers rami bini, 
primarii 2—3-nodes, hinc inde ramulosi. Racemi 3,5 em. longi, 6—8- 
articulati; articuli pedicellique subgraciles, densiuscule villosi, villis 
summis articulo paullo brevioribus. Spiculz sessilis gluma I™ subin- 
tegra, scaberrime punctata, prster carinas 2-nervis; aristz circ. 
12 mm. longe columna immersa, brevissima. Spicule pedicellatze 
5—6 mm. longs gluma I™ 5—7-nervis, arista glumá 3—4-plo breviori 
terminata. 
Texas (leg.?; vidi in h. berol.). — A. maritimum cum scoparium 
genuinum arcte conjungens. 
Surre au Prodromus VI. 25 
