MB. A. W. BENNETT ON TlIK GENUS HYDKOLEA. 275 



9. IL COR VM BOS A, Elliot, 



Cauhs asceudens, erectus, inermis, bipedalis, purpurascens, inferne sim- 

 plex, glaber, superne ramosus; ramuli pubescentes. Folia lanceolata, 

 sessilia^ acuta, saepe deflexa, glabra, velbrevissime pubesceutia, 10-15 

 an. longa, 3-4 lin, lata. Flares raagni, terminales, corymbose aggre- 

 gati; pedioelli brevissimi, hirsuti. Sepala lanceolata, acuta, birsu- 

 tissima, corolla in alabastro breviora. Corolla inslgnis, cacrulea, calyce 

 triplo longior, extus hirsuta. 



Hydrolea corymbosa, EIL Car. vol. i. p. 336; Chois. Descr. HijdroL; 

 D a Prodr. 



Found in marshy swamps in Carolina, Georgia, and Florida. 



> erj different in appearance from the preceding species, with largo 



handsome blue flowers, three times as long as the calyx, arranged 



m corymbose heads, the leaves almost glabrous, sessile, lan- 

 ceolate. 



10. H, ZEYLANiCA, Vahl. (Tab. I. figs. 9, 10.) 



Caulis herbaceus, ascendens vel decumbens, fistulosus, subsimplex, gla- 

 ber, striatus, nodis infimis radicans. Folia lanceolata, utrinque at- 

 tcnuata, acuta, 1-2 poll, longa, 4-6 liu. lata, glabra. Flores parvi, 

 m racemos laxos foliosos axillares dispositi, pedunculati; pedicelli 

 graciles, nunc bi- vel trilineares, apice incrassati, subglabri, nunc multo 

 breviores, ut et apices ramulorum, glanduloso-pubescentes. Sepala 

 linearia, acuta, 2-3-lin. longa, aut glabra, margine et nervo medio bre- 

 vissime ciUata, aut glanduloso-pubescentia ; iu alabastro corollam 

 inulto superantia. Corolla cserulea, calyce paulo longior, i)etalis post 

 anthesim reflexis. Styli duo, breves, recti, persistentes. Stigmata 

 capitata. Capsula psLrxa, 1^-2-liDearis, ovata, glabra, sej)alis persisten- 

 tibus { brevior. 

 Hydrolea zeylanica, Vakl, Symb. vol. ii» p. 46; W. et Am. in Hfjok. 

 vol. ii. p, 193, t. 26; Wight Jnd.Bot. t. 167; Chois, Descr HydroL; 

 DC. Prodr.— U. javanica, Blum, Beitr. FL Nederl Ind, p. 725. 



Nam 



Steris 



73, t. 39. f. 3. 



Mant p. 54 et p. 264.— Steris aquatlca, Burm. Ind. 



Mus 



19.~Attalerie, Poir. Enc. Suppl. i. p. 535 ; Pluh Aim. 22, t. 130, f. 2. 

 Hydrolea inermis (?), Lour. Coch. i. p. 214 ; Chois. Descr. Hydrol ; 

 DC. Prorfr.— Steris villosa (?), Pav. MS. in herb. Deless. 



This species has been described under many synonyms, partly 



structnre 



Kama and a Steris) 



— - — _-^ 



variability of the pubescence on the calyx and flower-stalks. This, 

 however, does not appear to me sufficient ground for making 

 even well-marked varieties, the specimens graduating from the 

 sepals and pedicels being absolutely glabrous with the exception 



