498 r.i;<>MKi,iA(K.iv. (I'lNK-Ari-Lr. iamii.v.) 



of "jrav anil rril, aln'ii]>tly atlcimatc aliovo, tlic ii]i|icr ones oliloiifj, acute; 

 stt'in ilaik It'll, i)raii(iiiiij^, the spiki'S ft-w-Howcrcil ; lajisiilc twiie llic leiifjth 

 of tlic liiij^lit red sepals; jietals pale reii. — Miami, Smitli VUmda. ((JarUi). 



Sept. - ( hi. 



■i- -t- I'^iiwi'i's coiilii/iions, or (lisliiliDUsI If imhiirdted. 



** Ijcaven broad, (tiliniKilc. 



3. T. Houzeavi, Mon-en (ineil.). Seurfy (10'-2(t' liif^li); loaves rat lior 

 tentler, laiReulate-sulmlate, concave, .s|)rcailiiifj (8'- 12' Ion;;), the upper ones 

 passing into the oblong acute bracts ; stem mostly simple ; sjiikos linear, 

 closely mauy-Howeretl ; capsule linear, thrice the length of the lanceolate 

 sejials ; jjctals palo blue. — Shady river banks, South Florida. Oct. 



4. T. fasciculata, Swartz. Leaves scurfy, concave, gradually narrowed 

 u])\vard; the uppermost reduced to ovate pointed bracts ; stem longer than 

 the leaves; spikes 3 -8, compressed, hedged, red; ])racts ovate, closely imbri- 

 cated in two rows, keeled on tiic back, longer than the linear acute keeled 

 sepals. — South Florida. — Stem 2° high. Leaves 1°- 1|° long. Petals 

 blue. 



5. T. pruinosa, Swartz. Small, very scurfy ; leaves broad and clasjiing 

 at the l)ase, concave, iml)ricated, nearly ecjual, shorter than the spike ; s|)ikc 

 simple, few-flowered; bracts oblong, imbricated in two rows, longer tlian the 

 sepals, and half as long as the capsule. — South Florida. — Stem stout, 4' 

 high. S])ike 3' -4' long, G - 7-llowered. Leaves 3' -4' long. Corolla pur- 

 plish blue. 



->-•• ++ Letivps linear or Jill form : flowers blue. 



6. T. angUStifolia, Swartz.? G lab rate ; stem simple, lO'-l'/ high, 

 leaves longer than tlie stem, linear-filiform, recurving, the uppermost passing 

 into the bracts; spikes 1 -4, 2' -4' long; bracts erect-spreading, ovate-oldong, 

 rounded on the back, 4 as long as the corolla ; calyx with two of the sepals 

 partly united ; stigmas fimbriate ; capsule exserted. (T. juncea, Zeco«<e.) — 

 Along the St. John's Eiver, East Florida. 



7. T. Balbisiana, Schultes. Nearly glabrous; stem slender, 1°-U° 

 high, dark n d, like the bracts ; leaves exceeding the stem, linear- filiform, 

 dilated at the concave loosely imbricated, l)ulb-like base ; spikes 1 -2, 2'-4' 

 long, few-flowered ; bracts closely imbricated, cuspidate, keeled, as long as the 

 calvx, and \ as long as the linear cajjsule. — Shady liamniocks, South Florida. 

 — Petals blue. 



8. T. setacea, L. Scurfy or glabrate, csespitose ; stem drooping, 1° long ; 

 leaves spreading, linear-setaceous, as long as the stem, the upper erect; spike 

 single, 2-4-flowered, 2' -3' long; liracts distichous, acute, 8'- 10' long, as long 

 as the calyx, and i as long as the capsule. — Soutli Florida. — Clusters turn- 

 ing red in sunny exposure. 



Var. tenuifolia. Stem and leaves erect, scurfy; spikes 1-4, few-flow- 

 ered. (T. l>artrainii, Ell.) — Kiver swamps, in deep shade, Georgia and 

 Florida. 



* * Stem branching: spikes peel uncled : flowers blue. 



9. T. recurvata, L. Stems cajspitose, 3' -6' long; leaves 2-ranked, 

 recurved, filiform, scurfy, 2' -3' long; peduncles axillary, 1-2-leaved, gla- 



