82 



APOCYNE^E. XV. APOCYNUM. XVI. CRYPTOLEPIS. XVII. EXOTHOSTEMON. 



2. The Chinese physicians fancy the roots of this plant to 

 refresh the animal spirits to such a degree as by a long use of 

 it to endow old age with all the strength and vigour of youth. 

 Youthful Apocynum. Shrub tw. 



15 A. SCA'NDENS (Mill. diet. no. 5.) leaves oblong, cordate, 

 stiff; flowers lateral ; stem fruticose, twining. Tj . r ^. S. Na- 

 tive about Carthagena. A. scandens foliis citri, siliquis macu- 

 latis. Plum. cat. no. 2. Leaves quite glabrous. Racemes 

 short. Flowers green. 



Climbing Apocynum Shrub tw. 



16 A. NERVOSUM (Mill. diet. no. 9.) stem fruticose, scandent ; 

 leaves ovate, nerved ; cymes lateral ; flowers yellow, large, with 

 a very long tube. J? . ^. S. Native of Carthagena. Leaves 

 mucronate. Follicles compressed, marginated on one side. 

 Seeds striated. 



Nerved-leaved Apocynum. Shrub cl. 



17 A. CORDA'TUM (Mill. diet. no. 10.) leaves oblong-cordate, 

 mucronate, sessile ; flowers lateral ; stems scandent. I? . w . S. 

 Native of Vera Cruz. Houst. mss. fig. pi. no. 8. t. 44. f. 5. 

 Flowers large, yellow. Probably a species of Echites. 



Cordate-leaved. Apocynum. Shrub cl. 



18 A. VILLOSUM (Mill. diet. no. 11.) leaves cordate, glabrous ; 

 flowers villous, sessile, longer than the petioles ; stem scandent. 

 fj . w . S. Native of Vera Cruz. Houst. mss. pi. t. 44. f. 2. 



Flowers large, villous, yellow. Follicles tumid, angular. Per- 

 haps a species of Echites. 



Fillous Apocynum. Shrub cl. 



Cult. Common garden soil answers well for the species ; and 

 they are easily increased by suckers from the root, which in 

 most of the species rise in great numbers. Some of the rarer 

 kinds may be grown in a peat border with greater success. 



XVI. CRYPTOLETIS (from Kprnrw, krypto, to hide, and 

 XtiriQ, lepis, a scale ; in reference to the scales in the tube of 

 the corolla). R. Br. in wern. mem. soc. 1. p. 69. 



LIN. SYST. Pentdndria, Monogynia. Corolla funnel-shaped ; 

 tube inclosing 5 obtuse, wedge-shaped scales, which alternate 

 with the segments of the limb ; throat naked. Stamens in- 

 closed, inserted in the bottom of the tube ; anthers sagittate. 

 Ovaria 2. Style wanting ; stigma dilated, 5-sided, ending 

 in a conical point. Hypogynous scales 5. Follicles lanceolate, 

 horizontal. Shrubs twining. Leaves opposite, of a different 

 colour beneath, and veiny. Corymbs interpetiolar, almost ses- 

 sile, very short. 



1 C. BUCHANA'NI (Roam. etSchultes, syst. 4. p. 409.) flowers 

 small, yellow ; leaves oblong, white and veiny beneath ; corymbs 

 interpetiolar, almost sessile, fj . / ^ > . S. Native of the East 

 Indies. Nerium reticulatum, Roxb. fl. ind. 2. p. 9. C. 

 Wightiana, Wall. cat. no. 4457. and C. reticulatum, Wall. cat. 

 1640. are only different states of C. Buchanani. 



Buchanan's Cryptolepis. Shrub tw. 



2 C. E'LEGANS (Wall. cat. no. 1639.) leaves oblong, mucro- 

 nate, glaucous beneath, somewhat cordate at the base ; peduncles 

 terminal, panicled. \j . S. Native of Silhet and Goalpara. 

 Camellia tenella, Hamilt. mss. 



Elegant Cryplolepis. Shrub tw. 



Cult. See Echites, p. 76, for culiure and propagaiion. 



XVII. EXOTHOSTE'MON (t&Ow, exotho, to protrude, 

 and oTr)n<i>v, stemon, a stamen ; in reference to the exserted 

 stamens). Echites species, H. B. et Kunih, &c. and some 

 other authors. 



LIN. SYST. Pentdndria, Monogynia. Calyx 5-parled; segmenls 

 each furnished with a scale inside at the base. Corolla funnel- 

 shaped ; throat clothed with silky hairs ; segments of the limb 

 unequal-sided, roundish on one side and acuminated or angular 



on the other. Stamens exserted ; filaments short, dilaled at 

 top, pilose inside ; anthers oblong or oblong-linear, emarginalely 

 2-lobed al the base, cohering with the stigma. Ovaria twin, 

 girded by 5 hypogynous, fleshy scales. Style filiform. Fol- 

 licles slender, lorulose. Twining shrubs, natives of South Ame- 

 rica. Leaves opposite, with interpetiolar glands at the base. 

 Peduncles interpetiolar, racemose. Flowers showy, white, or 

 yellow. This genus comes near to Parsonsia or Foslercnia, 

 Meyer. 



1 E. BUACTEA V TUM ; leaves elliptic, mucronately cuspidate, 

 cordate, downy above, but canescent from tomentum beneath ; 

 bracteas large, ovate, acuminated, coloured, much longer than 

 the calyx. Jj . *"*. S. Native of New Granada, near Mari- 

 quita, in the temperate regions of the mountains. Echites 

 bracteata, H. B. et Kunth, nov. gen. amer. 3. p. 217. Glands 

 about 4, subulate, glabrous, situated at the base of the middle 

 nerve of each leaf. Calycine segments lanceolate ; with a 

 subulate point, with ovate deltoid scales inside. Corollas orange- 

 coloured, hairy outside. 



Bracteate Exothostemon. Fl. June. Shrub tw. 



2 E. MOLLISSIMUM ; leaves oblong- cordate, downy above, but 

 canescent from short hair-like tomentum beneath ; bracteas 

 lanceolate-subulate, about equal in length to the calyx. Jj . ^. S. 

 Native of New Granada, between Honda and the mine of San- 

 tanna. Echites mollissima, H. B. et Kunth, nov. gen. amer. 3. 

 p. 218. Leaves without glands at the base? Calycine seg- 

 ments ovate, acuminated, furnished each with an ovate, lanceolate 

 scale inside. Corollas yellow, hairy outside. 



Very soft Exothostemon. Fl. July. Shrub tw. 



3 E. MACROPHY'I.LUM ; leaves somewhat obovate-elliptic, cus- 

 pidate, cordate, clothed with adpressed hairs above, and sub- 

 canescent hair-like down beneath ; bracteas ovate-lanceolate, 

 about equal in length to the calyx. ^ . ^. S. Native of the 

 banks of the Orinoco, near San Borja ; and of the island of 

 Panunama. Echites macrophylla, H. B. et Kunth, nov. gen. 

 amer. 3. p. 218. Echites mollis, Willd. herb, ex Roem. et 

 Schultes, syst. 4. p. 795. Glands at base of leaves hardly seen. 

 Corollas yellow, size of those of Vinca rbsea, downy outside. 

 Segments of calyx lanceolate-oblong, acuminated, furnished 

 each with a scale inside. Leaves 5 inches long and 2-j broad. 



Long-leaved Exothostemon. Fl. May. Shrub tw. 



4 E. GRA'CILE ; leaves oblong-lanceolate : superior ones lan- 

 ceolate, acuminated, cordate, glabrous above and hairy beneath ; 

 bracteas lanceolate-subulate, about equal in length to the pedi- 

 cels ; calycine segments ovate-lanceolate, furnished each with 

 an ovate deltoid scale inside. Jj . ^. S. Native on the banks 

 of the river Orinoco, in humid places, between May pure and 

 Ature. Echites gracilis, H. B. et Kunth, nov. gen. amer. 3. 

 p. 219. Leaves 2-J inches long ; with the glands at the base 

 hardly visible. Corollas yellow, glabrous outside. 



Slender Exothostemon. Fl. May. Shrub tw. 



5 E. SPECIOSUM; leaves oblong, acuminated, cordate, glabrous 

 above, and hairy beneath ; bracteas linear-subulate, minute ; 

 calycine segments ovate, acuminated, furnished each with a scale 

 inside. J? . r ^. S. Native along with the preceding. Echites 

 speciosa, H. B. et Kunth, nov. gen. amer. 3. p. 219. Corollas 

 yellow. Leaves 2-J- inches long, furnished with glands inside at 

 the base. 



Showy Exothostemon. Shrub tw. 



6 E. JAVITE'NSE ; leaves elliptic-oblong, short-acuminated, 

 rounded at the base, smoothish above and roughish beneath ; 

 spikes terminal, solitary ; bracteas large, oblong, acuminated, 

 coloured ; calycine segments roundish-ovate, obtuse, furnished 

 each with a scale inside. Tj.^.S. Native in the Missions of 

 the Orinoco, in shady places, on the banks of the river Temi, 

 near Javka. Echites Javitensis, H. B. et Kunth, nov. gen. 



